Home / 1,252,806.69-1,728,873.26-679,846.89

Finding the Fourth Proportional to 1,252,806.69, 1,728,873.26 and 679,846.89

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Solution

The fourth proportional to 1,252,806.69, 1,728,873.26 and 679,846.89 is: 938,188.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,806.69 : 1,728,873.26 = 679,846.89 : x
  2. Step 2: Convert to fraction form
    1,252,806.69/1,728,873.26 = 679,846.89/x
  3. Step 3: Cross multiply
    1,252,806.69x = 1,728,873.26 × 679,846.89
  4. Step 4: Simplify right side
    1,252,806.69x = 1,175,369,105,615.93
  5. Step 5: Solve for x
    x = 1,175,369,105,615.93/1,252,806.69
  6. Step 6: Final answer
    x = 938,188.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.